Re: A86: call
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Re: A86: call
On Wed, 25 Mar 1998 17:32:50 +0100 Scalp <Scalp@bigfoot.com> writes:
>
>I got some questions:
>
>can someone explain me what that calls do and how to use them:
>
>_shracc equ 4383h
it moves the high nibble of a to the low nibble, that is it shifts a
right by 4
>_formreal equ 5191h
this converts op1 to a string that starts at op3 and writes over op4
>_clrText equ $4ab5 (I know it clear text
>shadow, but what does it
>mean ?)
>_clrWindow .equ 4A86h
>
>when using _CREATEREAL, how can u store a number in the variable u
>made ?
not sure with those.
>
>and how to use: _ioPrompt equ $c324
store a 0-terminated string here before calling the routine to get a # in
op1:
ld hl,prompt
ld de,ioPrompt
ld bc,length_of_prompt ;include ending 0
ldir
ld a,$0d ;get number in op1
ld (_ASAP_IND),a
call _exec_pg3
-josh
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